---
title: "MessageType"
url: "https://dev.ionova.ai/apis/ars-address-resolution-service-4/versions/fdd2c316-7f84-4f04-8bb7-64e9bf97893b/schemas/MessageType"
---

> Full API specification: https://dev.ionova.ai/apis/ars-address-resolution-service-4/versions/fdd2c316-7f84-4f04-8bb7-64e9bf97893b.md

# MessageType

ISO 20022 message type. R-transaction types (pain.002, pain.007, pacs.002, pacs.004, camt.029, camt.052, camt.053, camt.054, camt.055, camt.056, camt.058, camt.110, camt.111) must be submitted to R-transaction endpoints only (EP-07, EP-15). Submitting them to Check/Convert endpoints returns HTTP 422 (REG-06).

## OpenAPI definition

```yaml
openapi: 3.0.3
info:
  title: ARS — Address Resolution Service
  version: 4.3.1
servers:
  - url: https://api-uat.ionova.ai/ars
    description: UAT (test data only)
components:
  schemas:
    MessageType:
      type: string
      description: >
        ISO 20022 message type. R-transaction types (pain.002, pain.007,
        pacs.002,

        pacs.004, camt.029, camt.052, camt.053, camt.054, camt.055, camt.056,
        camt.058, camt.110, camt.111) must be submitted to R-transaction
        endpoints only

        (EP-07, EP-15). Submitting them to Check/Convert endpoints returns HTTP
        422 (REG-06).
      enum:
        - pain.001
        - pain.002
        - pain.007
        - pain.008
        - pacs.002
        - pacs.003
        - pacs.004
        - pacs.008
        - pacs.009
        - pacs.010
        - camt.029
        - camt.052
        - camt.053
        - camt.054
        - camt.055
        - camt.056
        - camt.057
        - camt.058
        - camt.060
        - camt.105
        - camt.106
        - camt.107
        - camt.108
        - camt.109
        - camt.110
        - camt.111
```